Examlex
How are the four types of nitrogen-containing bases in DNA held together in the double helix of DNA?
Oliver North
A former United States Marine Corps lieutenant colonel involved in the Iran-Contra affair during the Reagan administration, known for his role in the sale of arms to Iran.
Nicaragua
A country in Central America known for its dramatic terrain of lakes, volcanoes, and beaches.
Carter Administration
The executive period of Jimmy Carter, the 39th President of the United States, from 1977 to 1981, known for its emphasis on human rights and environmental issues.
Circumstances
The conditions surrounding and affecting the way in which events occur.
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